The present invention relates to compounds of formula
a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
本发明涉及公式化合物的制备工艺及其在电子器件中的应用,特别是在电致发光器件中。当作为电致发光器件中
磷光发射体的宿主材料时,公式I的化合物可能提供电致发光器件的效率、稳定性、制造性或光谱特性的改进。